CN115214748A - Train lamp control method and logic control unit - Google Patents
Train lamp control method and logic control unit Download PDFInfo
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- CN115214748A CN115214748A CN202210862797.0A CN202210862797A CN115214748A CN 115214748 A CN115214748 A CN 115214748A CN 202210862797 A CN202210862797 A CN 202210862797A CN 115214748 A CN115214748 A CN 115214748A
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- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 description 35
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/02—Head or tail indicators, e.g. light
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The invention provides a train lamp control method and a logic control unit, wherein the method comprises the following steps: receiving a first control signal output by a train lamp control system of a train, a second control signal output by the train control system, and a third control signal output by a first system which is communicated with the train control system; executing a car light control logic in the logic control unit according to the target control signal, and generating a fourth control signal for controlling a car light of the train according to an execution result; the target control signal comprises a first control signal, or comprises a second control signal and/or a third control signal and a first control signal; and transmitting the fourth control signal to the vehicle lamp to control the vehicle lamp. The invention realizes that the software logic in the logic control unit replaces a hardware circuit, and can flexibly and reliably control the train lights while reducing the control cost.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to a train lamp control method and a logic control unit.
Background
At present, the external lamps of urban rail trains are generally controlled by hard-wired logic control circuits, the structure of which is shown in fig. 1, and the hard-wired logic control circuits mainly comprise three parts: the electric energy supply, the logic circuit and the car lamp equipment, after a relay contact on the hard-wire logic circuit forms a path, a car lamp control signal port is connected with the electric energy supply, and the car lamp works. The hard-line logic circuit comprises a large number of relays, and specific control logic is realized by series-parallel connection and power-on and power-off of relay contacts so as to control the vehicle lamp.
When a traditional hard-wire logic circuit of a train is upgraded and modified, the number and wiring of relays in a vehicle electrical cabinet need to be adjusted, the more complex the control function of a vehicle lamp is, the more complex the logic is, the more the number of relays is, and the poorer the flexibility is; meanwhile, the stability and reliability of the whole control system can be influenced by the problems of relay aging, contact adhesion and the like, the reliability of a control circuit can be reduced by increasing the number of relays, the circuit is more prone to have problems, and if the reliability of the control circuit is improved, the hardware cost can be improved by using the relays with lower failure rate; in addition, in the running process of the vehicle, the circuit generally adopts a redundant design for safety, so that the cost in the processes of improving the reliability of the hard-wire control circuit and upgrading and reconstructing is increased sharply.
In conclusion, the existing hard-wired logic circuit is adopted to control the car lamp, so that the cost is high, the flexibility is poor and the reliability is poor.
Disclosure of Invention
The invention provides a train lamp control method and a logic control unit, which are used for overcoming the defects of high cost, poor flexibility and poor reliability caused by the adoption of the existing hard-wire logic circuit for controlling a train lamp in the prior art, and realizing flexible and reliable control of the train lamp while reducing the control cost.
The invention provides a train lamp control method, which is applied to a logic control unit and comprises the following steps:
receiving a first control signal output by a train lamp control system of a train, a second control signal output by the train control system, and a third control signal output by the first system and communicated with the train control system;
executing a car light control logic in the logic control unit according to a target control signal, and generating a fourth control signal for controlling a car light of the train according to an execution result; wherein the target control signal comprises a first control signal, or comprises the second control signal and/or the third control signal, and the first control signal;
transmitting the fourth control signal to the vehicle lamp to control the vehicle lamp.
According to the train lamp control method provided by the invention, the first control signal comprises a first branch control signal output by an automatic driving activation unit in an automatic train protection system in the train lamp control system, a second branch control signal output by a driver in a train direction control circuit in the train lamp control system and a third branch control signal output by a direction controller in the automatic train driving system.
According to the train lamp control method provided by the invention,
the third control signal comprises a fourth branch control signal output by a man-machine interface in the first system;
the vehicle lamps comprise a first vehicle lamp for emitting light effects with a first preset color and a second vehicle lamp for emitting light effects with a second preset color;
the executing a car light control logic in the logic control unit according to the target control signal, and generating a fourth control signal for controlling a car light of the train according to an execution result, includes:
executing a car light control logic corresponding to the first car light according to the second branch control signal, the third branch control signal and the fourth branch control signal to obtain a first execution result;
generating a fifth branch control signal for controlling the first vehicle lamp according to the first execution result;
executing a vehicle lamp control logic corresponding to the second vehicle lamp according to the first branch control signal, the second branch control signal, the third branch control signal and the fourth branch control signal to obtain a second execution result;
and generating a sixth branch control signal for controlling the second lamp according to the second execution result.
According to the train lamp control method provided by the invention, after receiving the first control signal output by the train lamp control system of the train, the second control signal output by the train control system and the third control signal output by the first system communicating with the train control system, the method further comprises the following steps:
for each control signal in the first control signal, the second control signal and the third control signal, searching an assigned address corresponding to each control signal in the logic control unit;
and under the condition that the allocated address corresponding to each control signal is found, updating each control signal into a data memory of the logic control unit according to the allocated address.
According to the train lamp control method provided by the invention, the method further comprises the following steps:
and receiving an updating instruction sent by a terminal through a communication interface, and updating the vehicle lamp control logic according to the updating instruction.
According to the train lamp control method provided by the invention, the method further comprises the following steps:
the train debugging method comprises the steps that when a train is in a debugging state or a maintenance state, a first control signal, a second control signal, a third control signal and a fourth control signal are sent to a terminal through a communication interface, so that the terminal can debug or maintain the train according to the first control signal, the second control signal, the third control signal and the fourth control signal.
The present invention also provides a logic control unit comprising:
the input/output board card is used for receiving a first control signal output by a train lamp control system of a train, a second control signal output by the train control system and a third control signal output by a first system which is communicated with the train control system;
the main control board card is used for executing the car lamp control logic in the logic control unit according to a target control signal and generating a fourth control signal for controlling the car lamp of the train according to an execution result; wherein the target control signal comprises a first control signal, or comprises the second control signal and/or the third control signal, and the first control signal;
and the plug wire board card is used for transmitting the fourth control signal to the car lamp so as to control the car lamp.
According to the logic control unit provided by the invention, the input end of the logic control unit is respectively connected with the car light control system and the train control system, and the output end of the logic control unit is connected with the car light;
the vehicle lamp control system is used for outputting a first control signal to the logic control unit;
the train control system is used for receiving the third control signal output by the first system, and transmitting the second control signal output by the train control system body and the received third control signal to the logic control unit.
According to the logic control unit provided by the invention, the logic control unit further comprises a power supply board card and a communication board card;
all board cards in the logic control unit are connected through a backboard;
the power supply board card is connected with an external power supply, and is used for converting a power supply of the external power supply and supplying power to each board card in the logic control unit by using the converted power supply;
the main control board card comprises a logic processor and a data memory, wherein the logic processor is used for providing a data operation function required by the logic control unit, and the data memory is used for providing a data storage function required by the logic control unit;
the communication board card is used for providing a communication interface between the logic control unit and the car light control system and a communication interface between the logic control unit and the train control system;
the input/output board card comprises a monitor and a self-detector, the monitor is used for monitoring input/output signals of the logic control unit, and the self-detector is used for self-detecting the input/output signals;
the plug wire board card comprises an input end, an output end and a dry contact point;
the logic control unit is connected with the car lamp through the trunk contact;
the patch board clamp is specifically used for receiving the fourth control signal output by the main control board through the input end, and outputting the fourth control signal to the dry contact point through the output end so as to control the car lamp.
According to the logic control unit provided by the invention, for each board card of the power supply board card, the main control board card, the communication board card and the input/output board card, each board card comprises two groups of board cards which are redundant with each other.
The invention also provides an electronic device, which comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, wherein when the processor executes the program, the train lamp control method is realized according to any one of the above methods.
The present invention also provides a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements a train light control method as described in any of the above.
The invention also provides a computer program product comprising a computer program which, when executed by a processor, implements a train light control method as in any one of the above.
According to the train lamp control method and the logic control unit provided by the invention, the logic control unit receives a first control signal output by the lamp control system, a second control signal output by the train control system and a third control signal output by the first system communicated with the train control system in real time, and executes the lamp control logic in the logic control unit according to the first control signal, the second control signal and the third control signal so as to realize flexible control of the lamp; meanwhile, the logic control unit can be combined with the train lamp control system, the train control system and the first system to perform various integrated control on the train lamp, so that more complex control logic can be realized to adapt to control requirements in different operating environments, and the train lamp can be flexibly and reliably controlled.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic flow chart of a train light control method provided by the prior art;
FIG. 2 is a schematic flow chart of a train light control method provided by the present invention;
FIG. 3 is a schematic structural diagram of a logic control unit connected with a train lamp in the train lamp control method provided by the invention;
FIG. 4 is a schematic diagram of the software logic of the train lamp control logic in the train lamp control method provided by the present invention;
FIG. 5 is a schematic diagram of a logic control unit according to the present invention;
fig. 6 is a second schematic structural diagram of the logic control unit provided in the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In the prior art, a hard-wire logic control circuit is generally adopted in a car lamp control method, and a method for controlling a car lamp by adopting a logic control unit is not involved, so that the problems of relay failure, high cost, inconvenience in maintenance and the like exist on one hand. As shown in fig. 1, if the vehicle lamp control circuit at the one-position end of the vehicle is divided into a red lamp control circuit and a white lamp control circuit, wherein the red lamp control circuit is obtained by connecting a first relay and a second relay in parallel, and the white lamp control circuit is obtained by connecting a fourth relay and a fifth relay in series after connecting the first relay and a third relay in parallel, the vehicle lamp control circuit at the one-position end of the vehicle needs at least 5 relays, the external vehicle lamp control circuits at the two ends of the whole vehicle need at least 10 relays, the number of the needed relays is large, and as the complexity of the vehicle lamp control circuit increases, the number of the relays also increases, and the hardware cost of the vehicle lamp control also increases; on the other hand, when the hard-line control circuit is in trouble and overhauls, because the historical operating data of the relay can not be known, the maintainer needs to refer to the relay indicator light and the vehicle schematic diagram for troubleshooting and solving, and the overhauling process is very inconvenient.
Therefore, in the external train lamp control circuit of the railway train, in order to avoid the problems of failure, high cost, inconvenient maintenance and the like of a relay in the traditional hard-wired control circuit, the application provides the train lamp control method, the train lamp control circuit is redesigned based on the logic control unit, the hard-wired control circuit formed by the relay is replaced by software editing, the reliability of the control circuit is improved, the number of the relay is reduced, and when the logic circuit is required to be upgraded and modified, the workload is reduced, and the upgrading and modifying cost is reduced; when the logic control circuit needs to be debugged and overhauled, real-time train operation data can be observed through the logic control unit, historical operation data can be obtained, and debugging and overhauling efficiency is improved.
The train lamp control method according to the embodiment of the present application is described below with reference to fig. 2, and the method includes the following steps:
the main body of the method is a logic control unit, a plurality of logic control programs are stored in the logic control unit in advance, and the train lamp control method can be realized when the logic control programs are executed by the logic control unit.
The car light sets up outside the train head car, and has different colors and different states for the different running state of characterization train, the quantity of car light and the colour of car light specifically set up according to actual demand. Such as a white light for illuminating in the normal operation mode, a red light for identifying the operation state of the train, and a blue light for identifying the operation distance between the train and the preceding vehicle, and the like, which are not particularly limited in the present embodiment.
The vehicle lamp control system is a system for directly controlling the vehicle lamp; the train control system is a signal system for controlling the train and is a system for performing auxiliary control on the car lights; the first system is another system that communicates with the train control system, that is, a system that performs auxiliary control on the car lights, and includes, but is not limited to, a Human Machine Interface (HMI), a train traction system, a train braking system, and the like, which is not specifically limited in this embodiment.
The input end of the logic control unit is respectively connected with the car light control system and the train control system, the output end of the logic control unit is connected with the car light, and the train control system is connected with the first system. The connection modes include, but are not limited to, direct connection, indirect connection, hard-wired connection, network connection, and the like, and may be specifically set according to actual requirements, which is not specifically limited in this embodiment.
Optionally, the logic control unit may receive the first control signal output by the car light control system in real time through a communication interface connected to the car light control system, receive the second control signal output by the train control system in real time through a communication interface connected to the train control system, and receive the third control signal output by the first system in real time through a communication interface connected to the train control system.
Each of the first control information, the second control signal and the third control signal includes, but is not limited to, a car light control signal and a train operation control signal, which is not specifically limited in this embodiment.
the logic control unit is internally provided with a vehicle lamp control logic in advance, and can generate different control signals for the vehicle lamp according to different input signals.
Optionally, when the logic control unit receives control signals output by the car light control system, the train control system and the first system, the target control signal may be determined according to a communication state between the logic control unit and the train control system.
Optionally, under the condition that the logic control unit is in normal communication with the train control system, the logic control unit may obtain the second control signal and the third control signal in real time, and at this time, the first control signal, the second control signal and/or the third control signal may be used as a target control signal, that is, as input information of the car light control logic, and execute the car light control logic to generate a fourth control signal for controlling the car light according to an execution result, so that the car light can implement a more complex control logic without changing an existing vehicle circuit.
Under the condition that the logic control unit is abnormally communicated with the train control system, the logic control unit cannot acquire the second control signal and the third control signal in real time, the logic control unit can directly take the first control signal acquired in real time as a target control signal, namely, input information of the train light control logic, and execute the train light control logic to generate a fourth control signal for controlling the train light according to an execution result so as to control the train light and ensure normal control of the train light.
In this embodiment, the train lights can be logically controlled according to the first control signal output by the car light control system, or logically controlled by combining the first control signal output by the car light control system, the second control signal output by the train control system, and the third control signal output by the first system communicating with the train control system, without additionally increasing hardware cost, so that the upgrading and transforming flexibility of the car light control circuit is effectively improved, and the running capability and flexibility of the vehicle in different scenes are improved.
Optionally, after the fourth control signal is obtained, the fourth control signal may be directly transmitted to the vehicle lamp, so that the vehicle lamp executes a corresponding action according to the fourth control signal;
alternatively, the fourth control signal is transmitted to the vehicle lamp through a relay or a dry contact or the like to control the vehicle lamp by controlling the contact engagement state of the relay or the dry contact.
In the embodiment, the logic control unit receives a first control signal output by the car light control system, a second control signal output by the train control system and a third control signal output by the first system which is communicated with the train control system in real time, and executes car light control logic in the logic control unit according to the first control signal, the second control signal and the third control signal to realize flexible control of car lights; meanwhile, the logic control unit can be combined with the car light control system, the train control system and the first system to perform various integrated control on the car lights, and more complex control logic can be realized to adapt to control requirements in different operating environments, so that the train car lights can be flexibly and reliably controlled.
In some embodiments, the first control signal includes a first branch control signal output by an automatic driving activation unit in an automatic train protection system in the car light control system, and a second branch control signal output by a driver in a train direction control circuit in the car light control system and a third branch control signal output by a direction controller in the automatic train driving system.
The train lamp control system comprises an automatic driving activation unit of a train automatic protection system and a train direction control circuit; the train direction control circuit comprises a driver controller and a direction controller in the automatic train driving system;
correspondingly, the first control signal includes a first branch control signal output by an Automatic driving activation unit of an Automatic Train Protection system (ATP), a second branch control signal output by a driver in the Train direction control circuit, and a third branch control signal output by a direction controller in the ATP;
when the train lights are controlled, the first branch control signal, the second branch control signal and the third branch control in the first control signal, and the second control signal and the third control signal are received directly through the communication interface, namely the train lights are controlled, so that the number of relays in a line can be greatly reduced, the occupied space of a train is reduced, and the running of the train is simpler; and the car lamp is controlled in a fusion mode by combining various control signals, so that the accuracy and the reliability of car lamp control can be improved.
In some embodiments, the third control signal comprises a fourth branch control signal output by a human machine interface in the first system; the vehicle lamps comprise a first vehicle lamp for emitting light effects with a first preset color and a second vehicle lamp for emitting light effects with a second preset color; the executing a car light control logic in the logic control unit according to the target control signal, and generating a fourth control signal for controlling a car light of the train according to an execution result, includes: executing a vehicle lamp control logic corresponding to the first vehicle lamp according to the second branch control signal, the third branch control signal and the fourth branch control signal to obtain a first execution result; generating a fifth branch control signal for controlling the first vehicle lamp according to the first execution result; executing a vehicle lamp control logic corresponding to the second vehicle lamp according to the first branch control signal, the second branch control signal, the third branch control signal and the fourth branch control signal to obtain a second execution result; and generating a sixth branch control signal for controlling the second lamp according to the second execution result.
The first preset color light effect is a red light effect, and the second preset light effect is a white light effect;
the vehicle lamp comprises a first vehicle lamp for emitting red light effect and a second vehicle lamp for emitting white light effect;
the output end of the logic control unit is respectively connected with the first vehicle lamp and the second vehicle lamp and is used for controlling the first vehicle lamp and the second vehicle lamp.
The first system comprises a human-machine interface; the human machine interface is in communication with the train control system.
The third control signal comprises a fourth branch signal output by the human-machine interface.
Optionally, the vehicle lamp controlling step in step 202 specifically includes:
acquiring a first branch control signal output by an automatic driving activation unit, a second branch control signal output by a driver controller, a third branch control signal of a direction controller in a train automatic driving system and a fourth control signal output by a man-machine interface through a communication interface;
and executing the car light control logic of the first car light by combining a second branch control signal output by the driver controller, a third branch control signal of a direction controller in the automatic train driving system and a fourth control signal output by the human-computer interface so as to output a fifth branch control signal for controlling the first car light, thereby realizing the control of the first car light.
Meanwhile, a vehicle lamp control logic of a second vehicle lamp is executed by combining a first branch control signal output by the automatic driving activation unit, a second branch control signal output by a driver controller, a third branch control signal of a direction controller in the automatic train driving system and a fourth control signal output by a human-computer interface, so as to output a sixth branch control signal for controlling the second vehicle lamp; and realizing the control of the second vehicle lamp.
The following describes a train light control method in this embodiment, taking a train light control at one end of a train as an example;
as shown IN fig. 3, the input signal of the logic control unit includes a first control signal output by the vehicle lamp control system, wherein the first control signal includes an idle signal IN1, a one-bit forward signal IN2, a one-bit occupied signal IN3, a one-bit FAM (full automatic driving mode) activating signal IN4, a two-bit FAM activating signal IN5, and a one-bit handle backward signal IN6;
wherein, the one-position forward signal IN2 is a signal for controlling the train to move forward output by a driver controller of one position or a signal for controlling the train to move forward output by a direction controller IN the automatic train driving system;
the one-position end occupation signal IN3 is an activation signal output by a driver controller of the one-position end or an activation signal output by a direction controller IN an automatic train driving system;
a first-order FAM activation signal IN4 is a control signal output by an automatic driving activation unit arranged at a first order;
the two-position FAM activation signal IN5 is a control signal output by an automatic driving activation unit arranged at the two-position end;
the one-position handle backward signal IN6 is a control signal output by a driver controller arranged at one position when the driver controller is backward.
The fourth branch control signal output by the human-computer interface comprises a human-computer interface signal HMI _ in1 connected with the control logic of the first vehicle lamp in parallel and a human-computer interface signal HMI _ in2 connected with the control logic of the second vehicle lamp in parallel;
the fourth signal output by the logic control unit comprises a fifth branch control signal OUT _1 for controlling the first vehicle lamp and a sixth branch control signal OUT _2 for controlling the second vehicle lamp.
As shown IN fig. 4, after acquiring the idle-on signal IN1, the one-bit-end forward signal IN2, the one-bit-end occupied signal IN3, the one-bit-end FAM activation signal IN4, the two-bit-end FAM activation signal IN5, and the one-bit-end handle backward signal IN6, according to the idle-on signal IN1, the one-bit-end forward signal IN2, the one-bit-end occupied signal IN3, and the man-machine interface signal HM1_ IN1, a car light control logic corresponding to the first car light is executed, and the fifth branch control signal OUT _1 is output to control the first car light;
the method for executing the vehicle lamp control logic corresponding to the first vehicle lamp specifically comprises the following steps: the one-bit-end forward signal IN2 is connected IN parallel with the one-bit-end occupied signal IN3, and then connected IN parallel with the human-machine interface signal HMI _ IN1 to output a fifth branch control signal OUT _1.
Meanwhile, according to the forward signal IN2 at the one-bit end, the FAM activation signal IN4 at the one-bit end, the FAM activation signal IN5 at the two-bit end, the backward signal IN6 at the one-bit end, and the human-machine interface signal HM1_ IN2, the vehicle lamp control logic corresponding to the second vehicle lamp is executed, and the sixth branch control signal OUT _2 is output to control the second vehicle lamp.
The step of executing the lamp control logic corresponding to the second lamp specifically comprises the following steps: the first-bit forward signal IN2 is connected IN parallel with the first-bit handle backward signal IN6, then connected IN series with the first-bit FAM activation signal IN4 and the second-bit FAM activation signal IN5, and then connected IN parallel with the HMI _ IN2 to output a fifth branch control signal OUT _2.
If the car light control logic is directly realized in the existing mode in a hard line mode, at least 6 relays are needed in the control process of one-end car lights of the train, and at least 12 relays are needed by external car light control circuits at two ends of the whole train, so that the control cost is high.
In the embodiment, the logic control unit is used for replacing a hard-wired relay control circuit of the automobile lamp, so that the cost of the hard-wired relay control circuit of the automobile lamp can be reduced, the wiring and the number of relays of the automobile can be reduced, the reliability can be improved, and the failure rate can be reduced; and the control signal output by the human-computer interface and the control signal output by the car lamp control system are combined to control the car lamp, so that the car lamp control mode is more flexible and reliable, the upgrading and modification flexibility of a car lamp control circuit is improved, and the running capability of the car in different scenes is improved.
In some embodiments, after said receiving a first control signal output by a train light control system of a train, a second control signal output by a train control system, and a third control signal output by a first system in communication with the train control system, the method further comprises: for each control signal in the first control signal, the second control signal and the third control signal, searching an assigned address corresponding to each control signal in the logic control unit; and under the condition that the allocated address corresponding to each control signal is found, updating each control signal into the data memory of the logic control unit according to the allocated address.
The distributed address is a storage address distributed for different control signals in a data storage of the logic control unit; different control signals correspond to different assigned addresses.
Optionally, the specific step of controlling the vehicle lamp by the logic control unit includes: the method comprises the following steps that in the first stage, a first control signal output by a car light control system, a second control signal output by a train control system and a third control signal output by the first system and communicated with the train control system are collected in real time;
a second stage of searching an assigned address corresponding to each control signal in the first control signal, the second control signal and the third control signal in the logic control unit when the first control signal, the second control signal and the third control signal are acquired, so as to update the input address state of the logic control unit according to the assigned address corresponding to the control signal, wherein the input address state of the logic control unit comprises a hard line input address state (the input address state of the first control signal) and a network input address state (the input address state of the second control signal and the third control signal), and the control signal is updated to a data memory of the logic control unit according to the assigned address;
a third stage, combining the control signal stored in the interior and the control logic of the vehicle lamp to generate an output signal;
and a fourth stage of updating the output address state according to the output signal so as to output the output signal to the vehicle lamp, and updating the state of the vehicle lamp according to the corresponding output signal. Meanwhile, related control signals, namely a first control signal, a second control signal, a third control signal and a fourth control signal, can be sent to the train control system through the communication interface, and at the moment, one control cycle of the logic control unit is completed.
In the whole train operation process, the logic control unit can periodically operate according to a preset period so as to periodically control the car lights.
The embodiment stores different control signals independently through different allocated addresses, so that the interference influence generated among the control signals output by different systems can be effectively avoided, and the reliability and the accuracy of vehicle lamp control are further ensured.
In some embodiments, the method further comprises: and receiving an updating instruction sent by a terminal through a communication interface, and updating the vehicle lamp control logic according to the updating instruction.
Optionally, the terminal is connected with the logic control unit through a communication interface;
before the train runs, the logic control unit is in communication connection with a terminal through a network cable and acquires a car light control logic for controlling a car light in real time through a communication interface so as to update the car light control logic inside the logic control unit;
in the running process of the train, the default terminal is disconnected with the logic control unit; in special cases, if the vehicle lamp control logic in the logic control unit needs to be updated, the connection with the logic control unit can be established again.
In the embodiment, the car lamp control logic inside the logic control unit can be updated in real time only through the communication interface, so that the operation is simple, and the hardware cost caused by the transformation of the number and the wiring of the relays when the hardware circuit is upgraded and transformed can be reduced.
In some embodiments, the method further comprises: and when the train is in a debugging state or a maintenance state, the first control signal, the second control signal, the third control signal and the fourth control signal are sent to a terminal through a communication interface, so that the terminal can debug or maintain the train according to the first control signal, the second control signal, the third control signal and the fourth control signal.
Optionally, when the train needs to be debugged or overhauled, the terminal may be in communication connection with the logic control unit through the network cable, and obtain real-time data and historical data of the first control signal, the second control signal, the third control signal and the fourth control signal sent by the logic control unit in real time through the communication interface, and display the data through the car light control software, so that a maintenance worker can conveniently and accurately debug and overhaul the train according to the data directly.
Compared with the prior art, when the hard-line control circuit is in trouble and overhauls, due to the fact that historical operation data of the relay cannot be known, the maintainer needs to refer to the relay indicator lamp and the vehicle schematic diagram to conduct troubleshooting and solving, and the overhauling process is very inconvenient.
In the embodiment, the real-time running state and the historical running data of the train can be acquired in the logic control unit, the debugging, maintenance and overhaul difficulty of the control circuit can be reduced, the efficiency is improved, the debugging and overhaul efficiency is greatly improved, the debugging and overhaul time is shortened, the running and upgrading transformation cost is reduced, and the debugging and overhaul are convenient.
The logic control unit provided by the present invention is described below, and the logic control unit described below and the train lamp control method described above can be referred to correspondingly.
As shown in fig. 5, the logic control unit provided in this embodiment includes an input/output board 501, a main control board 502, and a patch board 503;
the input/output board card 501 is configured to receive a first control signal output by a train light control system of a train, a second control signal output by the train control system, and a third control signal output by the first system that is in communication with the train control system;
the vehicle lamp control system is a system for directly controlling the vehicle lamp; the train control system is a signal system for controlling a train and is a system for performing auxiliary control on the car lights; the first system is a first system that communicates with a train control system, and is also a system that performs auxiliary control on a car light, including but not limited to a human-machine interface, a train traction system, a train braking system, and the like, which is not specifically limited in this embodiment.
The input end of the logic control unit is respectively connected with the car light control system and the train control system, the output end of the logic control unit is connected with the car light, and the train control system is connected with the first system. The connection modes include, but are not limited to, direct connection, indirect connection, hard-wired connection, network connection, and the like, and may be specifically set according to actual requirements, which is not specifically limited in this embodiment.
Optionally, the input/output board card of the logic control unit may receive the first control signal output by the car light control system in real time, receive the second control signal output by the train control system in real time, and receive the third control signal output by the first system in real time through the communication board card of the logic control unit.
Each of the first control information, the second control signal and the third control signal includes, but is not limited to, a car light control signal and a train operation control signal, which is not specifically limited in this embodiment.
The main control board 502 is configured to execute a car light control logic in the logic control unit according to a target control signal, and generate a fourth control signal for controlling a car light of the train according to an execution result; wherein the target control signal comprises a first control signal, or comprises the second control signal and/or the third control signal, and the first control signal;
the main control board card of the logic control unit is internally pre-configured with a car light control logic, and can generate different control signals for the car light according to different input signals.
Optionally, when the input/output board card receives control signals output by the train light control system, the train control system and the first system, the target control signal may be determined according to a communication state between the logic control unit and the train control system.
Optionally, under the condition that the logic control unit is in normal communication with the train control system, the input/output board card may obtain the second control signal and the third control signal in real time, at this time, the first control signal, the second control signal and/or the third control signal may be used as a target control signal, that is, as input information of the main control board card, and the train lamp control logic is executed to generate a fourth control signal for controlling the train lamp according to an execution result, so that the train lamp can implement a more complex control logic without changing an existing train circuit;
under the condition that the logic control unit is abnormally communicated with the train control system, the input/output board card of the logic control unit cannot acquire the second control signal and the third control signal in real time, the main control board card of the logic control unit can directly take the first control signal acquired in real time as a target control signal, namely as input information of the train lamp control logic, and execute the train lamp control logic to generate a fourth control signal for controlling the train lamp according to an execution result so as to control the train lamp and ensure normal control of the train lamp.
In this embodiment, the train lights can be logically controlled according to the first control signal output by the car light control system, or logically controlled by combining the first control signal output by the car light control system, the second control signal output by the train control system, and the third control signal output by the first system communicating with the train control system, without additionally increasing hardware cost, so that the upgrading and transforming flexibility of the car light control circuit is effectively improved, and the running capability and flexibility of the vehicle in different scenes are improved.
The patch board 503 is used for transmitting the fourth control signal to the car light so as to control the car light.
Optionally, after acquiring the fourth control signal output by the main control board, the patch board 503 may directly transmit the fourth control signal to the vehicle lamp, so that the vehicle lamp executes a corresponding action according to the fourth control signal;
alternatively, the fourth control signal is transmitted to the vehicle lamp through a relay or a dry contact or the like to control the vehicle lamp by controlling the contact engagement state of the relay or the dry contact.
In the embodiment, the logic control unit receives a first control signal output by the car light control system, a second control signal output by the train control system and a third control signal output by the first system which is communicated with the train control system in real time, and executes car light control logic in the logic control unit according to the first control signal, the second control signal and the third control signal so as to realize flexible control of car lights, software logic in the logic control unit is used for replacing a hardware circuit, the use number of relays in the traditional hard-wired control circuit is effectively reduced, the failure rate is reduced, the reliability of car light control is enhanced, and by configuring the car light control logic in the logic control unit, the upgrading and reconstruction of the car light control circuit can be realized, the flexibility is good, and the hardware cost is low; meanwhile, the logic control unit can be combined with the train lamp control system, the train control system and the first system to perform various integrated control on the train lamp, so that more complex control logic can be realized to adapt to control requirements in different operating environments, and the train lamp can be flexibly and reliably controlled.
In some embodiments, the car light control system comprises an automatic driving activation unit of an automatic train protection system, and a train direction control circuit; the train direction control circuit comprises a driver controller and a direction controller in an automatic train driving system; the first control signal comprises a first branch control signal output by the automatic driving activation unit, a second branch control signal output by the driver controller and a third branch control signal output by a direction controller in the train automatic driving system.
In some embodiments, the first system comprises a human-machine interface; the third control signal comprises a fourth branch control signal output by the human-computer interface; the vehicle lamps comprise a first vehicle lamp for emitting light effects with a first preset color and a second vehicle lamp for emitting light effects with a second preset color;
the main control module is specifically used for: executing a car light control logic corresponding to the first car light according to the second branch control signal, the third branch control signal and the fourth branch control signal to obtain a first execution result; generating a fifth branch control signal for controlling the first vehicle lamp according to the first execution result; executing a vehicle lamp control logic corresponding to the second vehicle lamp according to the first branch control signal, the second branch control signal, the third branch control signal and the fourth branch control signal to obtain a second execution result; and generating a sixth branch control signal for controlling the second lamp according to the second execution result.
In some embodiments, the master control module is further configured to: for each control signal in the first control signal, the second control signal and the third control signal, searching an assigned address corresponding to each control signal in the logic control unit; and under the condition that the allocated address corresponding to each control signal is found, updating each control signal into the data memory of the logic control unit according to the allocated address.
In some embodiments, the master control module is further configured to: and receiving an updating instruction sent by a terminal through a communication interface, and updating the vehicle lamp control logic according to the updating instruction.
In some embodiments, the master control module is further configured to: and when the train is in a debugging state or a maintenance state, the first control signal, the second control signal, the third control signal and the fourth control signal are sent to a terminal through a communication interface, so that the terminal can debug or maintain the train according to the first control signal, the second control signal, the third control signal and the fourth control signal.
In some embodiments, the input end of the logic control unit is connected with the car light control system and the train control system respectively, and the output end of the logic control unit is connected with the car light; the vehicle lamp control system is used for outputting a first control signal; the train control system is used for receiving the third control signal output by the first system, and transmitting the second control signal output by the train control system body and the received third control signal to the logic control unit.
As shown in fig. 3, the input end of the logic control unit is respectively connected with the air switch, the automatic driving activation unit, the driver controller and the direction controller in the train automatic driving system of the car light control system for performing safety protection on the logic control unit; and the control system is connected with the train control system and used for receiving a first control signal output by the train lamp control system, a second control signal output by the body of the train control system and a received third control signal.
In this embodiment, the logic control unit is connected to the car light control system and the train control system, so as to obtain the first control signal output by the car light control system, the second control signal output by the train control system, and the third control signal output by the first system in real time, and then combine the first control signal, the second control signal, and the third control signal to perform fusion control on the train lights, thereby effectively improving the accuracy of car light control and reducing the cost of hardware deployment.
In some embodiments, the logic control unit further comprises a power board and a communication board; all board cards in the logic control unit are connected through a back board; the power supply board card is connected with an external power supply, and is used for converting a power supply of the external power supply and supplying power to each board card in the logic control unit by using the converted power supply; the main control board card comprises a logic processor and a data memory, wherein the logic processor is used for providing a data operation function required by the logic control unit, and the data memory is used for providing a data storage function required by the logic control unit; the communication board card is used for providing a communication interface between the logic control unit and the car light control system and a communication interface between the logic control unit and the train control system; the input/output board card comprises a monitor and a self-detector, the monitor is used for monitoring input/output signals of the logic control unit, and the self-detector is used for self-detecting the input/output signals; the plug board card comprises an input end, an output end and a dry contact point; the logic control unit is connected with the car lamp through the trunk contact; the patch board clamp is specifically used for receiving the fourth control signal output by the main control board through the input end, and outputting the fourth control signal to the dry contact point through the output end so as to control the car lamp.
As shown in fig. 6, the logic control unit includes a power board 505, a main control board 502, a communication board 504, an input/output board 501, and a patch board 503;
the power board 505 is connected to an external power supply, and is configured to convert a power supply of the external power supply, and is connected to other boards through a backplane, so as to convert an external power supply into an internal applicable power system, and use the converted power supply to supply power to other boards in the logic control unit. The voltage of the external power source can be set according to actual requirements, such as 110 v direct current.
The main control board 502 includes a logic processor and a data memory, so as to execute a car light control logic on the received first control signal, second control signal and third control signal through the logic processor, and generate a fourth control signal for controlling a car light, so as to control the car light; and storing the received first control signal, the second control signal, the third control signal and the fourth control signal through a data memory so that the terminal can acquire the control signals in real time and further debug and overhaul the train.
The communication board 504 is used for providing a communication interface between the logic control unit and the car light control system and a communication interface between the logic control unit and the train control system, so as to realize network communication between the logic control unit and the car light control system and between the logic control unit and the train control system, and further realize data interaction.
The input/output board 501 includes a listener and a self-detector, so as to monitor the input/output signals of the logic control unit through the listener, and perform self-detection on the input/output signals through the self-detector, so as to store the input/output signals in the data storage device when the input/output signals pass through the self-detection, thereby ensuring the security of the input/output data.
The patch board 503 is used for externally connecting the vehicle lamp and comprises a hard wire input end IN, an output end OUT and a dry contact point; the fourth control signal output by the main control panel is received through the input end, and the fourth control signal is output to the dry contact through the output end, so that the vehicle lamp is controlled to update the state according to the state of the dry contact.
It should be noted that the board cards in the logic control unit are connected through a backplane to implement internal data sharing among the board cards.
In the embodiment, the power supply board card, the main control board card, the communication board card, the input/output board card and the plug board card are arranged in the logic control unit, so that various software logic controls on the car lamp can be realized, the hardware cost and hardware interference caused by deploying the relay in the hard-wired control circuit are effectively reduced, and the flexibility and reliability of logic control can be effectively improved.
In some embodiments, for each of the power board, the master control board, the communication board, and the input/output board, the board includes two sets of boards that are redundant to each other.
Optionally, in order to ensure the reliability of the logic control unit in the vehicle lamp control process, in this embodiment, two sets of boards that are redundant to each other are used for each of the power board, the main control board, the communication board, and the input/output board.
One group of board cards are used as main board cards, and the other group of board cards are used as standby board cards; when the master board card fails, the standby board card can be switched to the master board card in real time to ensure the operation stability and reliability of the logic control unit, so that the reliability of car light control is improved, and the running safety of a vehicle is ensured.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A train lamp control method is applied to a logic control unit and is characterized by comprising the following steps:
receiving a first control signal output by a train lamp control system of a train, a second control signal output by the train control system, and a third control signal output by the first system and communicated with the train control system;
executing a car light control logic in the logic control unit according to a target control signal, and generating a fourth control signal for controlling a car light of the train according to an execution result; wherein the target control signal comprises a first control signal, or comprises the second control signal and/or the third control signal, and the first control signal;
transmitting the fourth control signal to the vehicle lamp to control the vehicle lamp.
2. The train lamp control method according to claim 1, wherein the first control signal comprises a first branch control signal output by an automatic driving activation unit of an automatic train protection system in the train lamp control system, and a second branch control signal output by a driver of a train direction control circuit and a third branch control signal output by a direction controller in the automatic train driving system in the train lamp control system.
3. The train lamp control method according to claim 2, wherein the third control signal comprises a fourth branch control signal output by a man-machine interface in the first system;
the vehicle lamps comprise a first vehicle lamp for emitting light effects with a first preset color and a second vehicle lamp for emitting light effects with a second preset color;
the executing a car light control logic in the logic control unit according to the target control signal, and generating a fourth control signal for controlling a car light of the train according to an execution result, includes:
executing a car light control logic corresponding to the first car light according to the second branch control signal, the third branch control signal and the fourth branch control signal to obtain a first execution result;
generating a fifth branch control signal for controlling the first vehicle lamp according to the first execution result;
executing a vehicle lamp control logic corresponding to the second vehicle lamp according to the first branch control signal, the second branch control signal, the third branch control signal and the fourth branch control signal to obtain a second execution result;
and generating a sixth branch control signal for controlling the second lamp according to the second execution result.
4. The train light control method according to any one of claims 1 to 3, wherein after receiving the first control signal output by the train light control system of the train, the second control signal output by the train control system, and the third control signal output by the first system in communication with the train control system, the method further comprises:
for each control signal in the first control signal, the second control signal and the third control signal, searching an assigned address corresponding to each control signal in the logic control unit;
and under the condition that the allocated address corresponding to each control signal is found, updating each control signal into the data memory of the logic control unit according to the allocated address.
5. The train light control method according to any one of claims 1 to 3, further comprising:
and receiving an updating instruction sent by a terminal through a communication interface, and updating the vehicle lamp control logic according to the updating instruction.
6. The train light control method according to any one of claims 1 to 3, further comprising:
the train debugging method comprises the steps that when a train is in a debugging state or a maintenance state, a first control signal, a second control signal, a third control signal and a fourth control signal are sent to a terminal through a communication interface, so that the terminal can debug or maintain the train according to the first control signal, the second control signal, the third control signal and the fourth control signal.
7. A logic control unit, comprising:
the input/output board card is used for receiving a first control signal output by a train lamp control system of a train, a second control signal output by the train control system and a third control signal output by a first system which is communicated with the train control system;
the main control board card is used for executing the car lamp control logic in the logic control unit according to a target control signal and generating a fourth control signal for controlling the car lamp of the train according to an execution result; wherein the target control signal comprises a first control signal, or comprises the second control signal and/or the third control signal, and the first control signal;
and the plug wire board card is used for transmitting the fourth control signal to the car lamp so as to control the car lamp.
8. The logic control unit according to claim 7, wherein the input end of the logic control unit is connected with the car light control system and the train control system respectively, and the output end of the logic control unit is connected with the car light;
the vehicle lamp control system is used for outputting a first control signal to the logic control unit;
the train control system is used for receiving a third control signal output by the first system, and transmitting a second control signal output by a body of the train control system and the received third control signal to the logic control unit.
9. The logic control unit of claim 7, further comprising a power board and a communication board;
all board cards in the logic control unit are connected through a back board;
the power supply board card is connected with an external power supply, and is used for converting a power supply of the external power supply and supplying power to each board card in the logic control unit by using the converted power supply;
the main control board card comprises a logic processor and a data memory, wherein the logic processor is used for providing a data operation function required by the logic control unit, and the data memory is used for providing a data storage function required by the logic control unit;
the communication board card is used for providing a communication interface between the logic control unit and the car light control system and a communication interface between the logic control unit and the train control system;
the input and output board card comprises a monitor and a self-detector, the monitor is used for monitoring input and output signals of the logic control unit, and the self-detector is used for self-detecting the input and output signals;
the plug wire board card comprises an input end, an output end and a dry contact point;
the logic control unit is connected with the car lamp through the trunk contact;
the patch board clamp is specifically used for receiving the fourth control signal output by the main control board through the input end, and outputting the fourth control signal to the dry contact point through the output end so as to control the car lamp.
10. The logic control unit of claim 9, wherein for each of the power board, the master control board, the communication board, and the input/output board, the board comprises two sets of boards that are redundant of each other.
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